B 70.2040 Operating Instructions
Contents
1. 1 2 3 4 5 6 7020 nu mum 7 num 1 Basic type 48 x 24 41 48 x 48 42 48 x 96 portrait 43 96 x 48 landscape 44 96 x 96 bezel in mm 2 Basic type 88 controller type configurable extension 99 controller type configured to customer specification 3 Inputs 888 inputs configurable 999 inputs configured to customer specification 4 Outputs Standard 702040 41 702042 43 44 Output 1 relay make relay n o make Output 2 logic 0 5V optionally logic 0 5V configurable als logic input Output 3 not available relay n o make Options Type 702040 41 Type 702042 43 44 113 Output 2 logic 0 12V optionally logic 0 12V outputs 143 as for configurable als logic input Standard 101 Output 2 relay make not possible output 1 as for Standard logic input is always available 1 single setpoint controller with limit comparator see factory settings under configuration and parameter level 2 see customer s ordering text or settings under configuration and parameter level bulAyQuap T UOISJ9A 5 Supply 16 10 18V DC 22 20 53V AC DC 48 63Hz 23 110 240V 15 10 48 63Hz 6 Extra code O61 UL approval Underwriter Laboratories 210 Timer function Delivery package Type 702040 41 Type 702042 43 442. 1 mounting frame 2 mounting brackets 1 seal 1 Operating instructions 70 2040 T UOISJ9A Ul 2 Installation 702041 Il ll 702044 e x a i x 5 R d 4 702040 SSSI SSSSIS AIS SS SS SSIS SS DINGS ISSSSSSSS IIS Installation 702042 1 Push on seal 3 Push on mounting brackets as 702044 2 Insert instrument 4 Tighten screws uonejjejsul z Type bezel Panel cut out WxH Edge to edge mounting in mm minimum spacings of panel cut outs horizontal 702040 Brix 24m 702041 48mm x 48mm 702044 96mm x 96mm 6 3 Electrical connection Installation notes The choice of cable the installation the fusing and the electrical connection must conform to the requirements of VDE 0100 Regulations on the Installation of Power Circuits with nominal voltages below 1000 or the appropriate local regulations The electrical connection must only be carried out by qualified personnel If contact with live parts is possible when working on the instrument it must be isolated on both poles from the supply A current limiting resistor interrupts the supply circuit in the event of a short circuit The load circuit must be fused for the maximum relay current in order to prevent welding of the output relay contacts in the event of an external short circuit Electromagnetic compatibility conforms
3. Interference emission industrial requirements Data backup EEPROM Housing type plastic housing for panel mounting to DIN 43700 Cleaning the front panel use warm or hot water add mildly acidic neutral or mildly alkaline detergents if necessary Do not use any abrasive cleaning agents or high pressure cleaners Limited resistance to organic solvents e g spirits benzol etc Housing mounting in panel to DIN 43 834 Ambient and storage temperature O to 55 C 40 to 70 Climatic conditions lt 75 rel humidity no condensation Operating position any Weight approx 75g 702040 160g 702043 95g 702041 200g 702044 145g 702042 Protection IP 66 front to EN 60529 IP 20 rear Safety regulation to EN 61010 gt gt 1 8 Lobach GmbH Street adress L hestra e 37 53773 Hennef Germany Delivery address Postal address 53759 Hennef Germany Phone 49 2242 8703 0 Fax 449 2242 8703 20 e mail team tematec de Internet www tematec de
4. Logic input Thermocouple floating contact AC DC Pt100 1000 3 wire Ho Pt100 1000 j gt KTY11 6 The electrical con a wire nection must only un be carried out by Current qualified personnel 0 4 20mA Voltage 1 Output or logic input configurable 0 2 10V 2 resistive load Process value input e 21329 3 702040 41 with Outputs AN 2 relay outputs option Relay 250 V 3 A Supply DE u E Thermocouple P Pt100 1000 3 wire Mo Pt100 1000 KTY 11 6 Mo 2 wire AC DC 20 53V The electrical connection DC must only be carried out by qualified personnel Current 0 4 20 mA Q 0 2 1 V T Process value input Voltage Mains supply e 21329 3 10 Pt100 1000 3 wire Pt100 1000 KTY11 6 2 wire Current 0 4 20mA Voltage 0 2 10V Output 2 Output 1 Output 3 Logic output Relay Relay 5V 12V 20mA 250V 3A 250V 3A r I 7 2 9 5 Logic input Thermocouple E floating contact Mo M The electrical connection must only be carried out by qualified personnel Process value input A Supply see label AC 110 240V AC DC 10 18V Mains supply 2 resistive load e 21329 3 11 4 Operation 4 1 Displays and keys 1 1 Display 7 segment display 4 places
5. F i Cu Con 99 99 F Fe Con Cu Con Fe Con NiCr Ni PtlORh Pt 5 Pt13Rh Pt R Pt30Rh Pt cw NiCrSi NiSi N ru Standard signal 20mA Standard signal 4 20mA Standard signal 10V Standard signal 2 10V gt 25 x Mark your selection with a Normal display ClOSS Operating level 1 SP i AL orb tis shown here depending on the configuration 2 0 1Vfor Type 702040 41 with 2 relay outputs option 3 0 2 1V for Type 702040 41 with 2 relay outputs option S9 qe3 pue 9 W Controller type utput 1 relay Output logic relay single setpoint reversed controller LK timer signalling single setpoint direct controller LK timer signalling double setpoint controller output 1 controller output 2 single setpoint reversed LK timer signalling controller single setpoint direct LK timer signalling controller double setpoint controller output 2 controller output 1 1 A programmed limit comparator LK has priority over the timer signalling Further settings for the outputs with Type 702042 43 44 see C118 comparator a x ZA no function ramp function off Ik1 ramp function C min Ik 2 ramp function C h Ik Ik 4 Ik 5 Ik 6 Ik 7 Ik 8 CONOAUBWNE reversed heating output is active when process value is below setpoint controller output 1 direct cooling output is active when process value is above s
6. 9 to 4999 9 S9 qe3 pue 9 Parameter Explanation Value range factory Your set setting SP c setpoint2 54 9 ee B limit comparator davativetime _ 0 9 9 eose rt eum o 95ese sose Cj ode mei 10 9999 200 db comactspadng 0 1000498 differential 1 O 9999digit HD pont 100 100 fo Fi mexmumoupu fo 300 a0 H2 mimmo 00 100 30096 constant 00 1000sec ossec 4 o seecmtcmino l Fordisplays with one or two decimal places the value range and the factory setting change accordingly sage pue 9 Alarm messages Description Cause response The displays for the process value or timer value flashes 1999 Display current timer value by repeatedly pressing the The display for the timer value alternates between showing StOP and the time col ws Acknowledge by using any key the timer start value E is loaded Over underrange of process value Controller and limit comparators referred to the process value input behave in accord ance with the configuration of the outputs The timer is stopped The timer function has been cancelled due to a supply failure The timer value that was present at the time of the supply failure will be
7. C from tolerance limit via logic input keys timer counts 5 C from tolerance limit after power ON logic input keys Cancellation of via logic input keys timer function via logic input keys timer counts 1 C GEUF appears in the from tolerance limit display via logic input keys timer counts 5 C from tolerance limit The start conditions with tolerance limit C121 3 4 7 8 are not valid for C120 3 or 4 If C120 is altered the validity of C121 must be checked sojqe pue 9 B 2 Timer signalling no function timer start until run down after run down for 10sec mm ss max 99 59 hh mm max 99 59 hhh h max 999 9 after run down for 1min after run down until acknowledgement One output has to be configured correspondingly C113 C 118 seconds m minutes hours Parameter Explanation start value of the 1999 to 9999digit standard signal end value of the 1999 to 9999digit 100 standard signal lower 1999 to 9999digit 200 setpoint limiting upper 1999 to 49999 digit 850 setpoint limiting OFFS process process value correction correction 1999 to 9999digit ME LS y differential of O 9999digit the limit comparator l Fordisplays with one or two decimal places the value range and the factory setting change accordingly Example 1 decimal place value range 199
8. green Display alternates when setpoints parameters and 5P codes are entered and 260 indicated Character height Type 702040 41 42 10mm 702043 44 20mm Display range 1999 to 9999 digit Decimal places none one two Unit C F process value display 2 Status indicators 2 3 LED two LEDs for the outputs 1 and 2 yellow Example Type 702041 3 Keys IPLA v for operating and programming the instrument Dynamic modification of settings and parameters Increase value with Decrease value with V Automatic value acceptance after 2 seconds p 4 2 Principle of operation Normal display The display shows the process value Operating level The setpoint is input here On active setpoint switching via the logic input 5 or 5P 2 ap pears in the display When the ramp function is active the ramp setpoint SP is displayed With activated timer function the timer value or the timer start value E is shown The setpoint is altered dynamically using the W keys The setting will be accepted auto matically after approx 2 sec Parameter level The setpoints the limit value of the limit comparator the controller parameters and the ramp slo pe are programmed here Configuration level The basic functions of
9. indicated The following events come under the heading over underrange Probe break short circuit Measurement is outside the control range of the probe that is connected Display overflow uue y Z 37 Measurement circuit monitoring recognized Transducer Overrange underrange Probe lead short circuit Probe lead break Thermocouple Resistance thermometer Voltage 2 10V O2 1V O 10V O 1V 2 Current 4 20mA e 0 20 E uue y Z 8 Technical data Input for thermocouple Input for resistance thermometer Designation Range Designation Range Fe Con L 200 to 900 C Pt100 EN 60751 200 to 850 C 2 e 200 to HIZO C Pt1000 EN 60751 200 to 850 C Cu Con T EN 60584 200 to 400 C KTY 11 6 50 to 150 NiCr Ni K EN 60584 200 to 1372 C Measurement accuracy NiCrSi NiSi N EN 60584 200 to 1300 C i PtlORh Pt 5 EN 60584 OOppn c Pt13Rh Pt R 60584 1768 C an lt 1 0 SOppnv C Pt30Rh Pt6Rh B 60584 1820 C EIE resistance 200 max per lead Measurement accuracy lt 0 4 100ppmy C Meas current 250uA Cold junction Pt100 internal 1 Accuracy is assured within the range 1820 C Input for standard signals Designation Range Voltage 10V Re gt 100 02 2 10V Re gt 100kQ3
10. logic input will lock the parameter and configuration levels corresponds to code O11 Code 011 111 inhibited inhibited inhibited inhibited l The values at the operating level can only be indicated but not modified 2 Timer operation start stop continue cancel will continue to be possible suon un 5 8 Timer function extra code Using the timer function the control action can be influenced by means of the adjustable time E Li After the timer has been started by power by pressing the key or via the logic input the timer start value E is counted down to 0 either instantly or after the process value has gone above or below a programmable tolerance limit When the timer has run down several events are triggered such as control switch off output 0 and setpoint switching Furthermo re itis possible to implement timer signalling via an output Example w setpoint process value GP programmed setpoint E U timer start value timer signalling here 122 1 increment key suon gt unJ start gt 2 D continue acknowledge with any key 25 Notes on the timer function conjunction with the ramp function Generally the setpoints can also be approached using the ramp function Stopping the timer does not influence the ramp function f control is active after the timer has run down
11. parameters and the configuration codes are listed in the order of their appearance Parameters which are not relevant are masked out see table below Enter the configuration code and parameters on the instrument Configuration Masking out the parameters for Single setpoint controller Single setpoint controller Double setpoint controller Pb 2 TA 4 gt db HYS 2 Double setpoint controller Limit comp for Type 702040 41 Li H Mn HL VR x Tiverfuncton nofuneon Ei 1 notfor 702040 41 with 2 relay outputs option suon un 16 5 1 Process value input ymbol Transducer probe process value input page 31 Unit of process value C F decimal places of display gt page 31 Start end value of value range for standard signals gt page 35 Example 0 20 mA 20 200 C SLL 20 un 200 Process value correction gt page 35 Using the process value correction a measured value can be corrected by a programmable amount upwards or downwards offset Lead compensation can be implemented in software for 2 wire circuit through process value correction suon gt unJ Examples Measured value Displayed value 294 7 295 0 295 3 295 0 Filter time constant damping to adapt the digital input filter Osec filter off gt page 36 if d high high damping of interference signals slow reaction of the process value display to changes in the process value low cut off freque
12. the controller are set here In order to make the settings it is necessary to change to the configuration level via the parameter L parameter level Timer level The current timer value only when the timer has been started and the timer start value are al tered here The parameters at this level are marked with an underscore in the display Time out If no operation occurs the controller returns automatically to normal display after approx 30 sec exception with timer functions starting via power ON the timer value is displayed If the timer value is displayed at the operating level time out is not active uonejedo p Normal display Operating level Process value Ramp setpoint Time out 30s or Setpoint with setpoint switching Timer value operating only different display depending on timer condition See table only displayed if function is configured Parameter level gt 25 setpoint 142 value for limit comparator controller parameters E ramp slope after last parameter after last parameter Configuration level configuration codes standard signal scaling process value correction switching differential of limit comparator Timer level timer stopped alter current timer value only when timer has been started JE P go set alter timer start value Time out Underscore t
13. the current setpoint is approached with the ramp Cancellation of the timer is followed by a setpoint step without ramp For timer functions with a tolerance limit only the setpoint ramp end value is monitored Note on setpoint switching via the logic input Setpoint switching via the logic input is generally possible An exception here is the timer function Time dependent setpoint switching In this case configured setpoint switching via the logic input will not be active Note on the display status in the event of a power failure The state of the display before the power failure will be restored except for events that are related to the timer start cancel continue stop Then the timer value will be shown the display 26 Timer function gt page 34 Time limited control The control is switched off after the timer has run down output 0 121 1 2 5 C121 3 4 7 8 bi Diagrams with and without start above tolerance limit Tolerance limit Start t Start t Time dependent switching After the start of the timer function the process is con to setpoint Sc After the timer has run down the controller automatically switches over to SP C121 2 or 6 C121 1 5 C121 3 4 7 8 LL power ON Start with Start on power ON Start with or logic input power ON A or logic input suonounJ Time delayed cont
14. Compact micro processor controllers B 70 2040 Operating Instructions 01 04 00357918 Please read these Operating Instructions carefully before starting up the instrument Keep these operating instructions in a place which is at all times accessible to all users Please assist us to improve these operating instructions where necessary Your suggestions will be most welcome Phone Germany 02242 8703 0 from abroad 49 2242 8703 0 Fax inGermany 02242 8703 20 abroad 49 2242 8703 20 All necessary settings are described in these operating instructions However if any difficul ties should still arise during start up you are asked not to carry out any unauthorized ma nipulations on the unit You could endanger you rights under the instrument warranty Please contact the nearest subsidiary or the main factory in such a case When returning chassis assemblies or components the regulations of EN 100 015 Protec tion of electrostatically sensitive components must be observed Use only the appropnate ESD packaging for transport Please note that we cannot accept any liability for damage caused by ESD electrostatic dis charge Contents RUN Identifying the instrument version 4 Installati n 24 wow wk n wm RW mu x Rs RO 2 a rc n 6 Electrical 5235 29 2 nee 7 ORC XU
15. OCA 12 4 1 Displays and Keys teat te eke 12 4 2 PHNCIHlE OF operaio 2 4 ood elt o e 13 4 3 Operation of the timer function 15 16 De PFOCESS Vale INDUC 17 5 2 LOGIE INPUE te ue 18 352 CONTOR aa 19 5 4 Limit comparator alarm 21 9 9 RIMO TUNIC TION ar sen en he aay a ete aly etra etae aay ete A E 22 5 6 SEIFOPENNZatlON Orat wel Rae le bem wate boat 23 5 7 Leve tah Via GOOG ur rasen eee eee eee tado ca mueren 24 5 8 imer function Code tie or Sis 25 Configuration and parameter tables 31 Alani messages as wai wae eee Se SSE Steed 37 Technical data 2 52 eee Sa te ee ee eee eee eee eee en 39 Sjugjuo 1 Identifying the instrument version
16. Re input resistance Current 4 20m4A voltage drop lt 1 5V 20mMA voltage drop lt 1 5V Measurement accuracy lt 0 1 100ppny C 2 0 1 Re gt LOMQ for Type 702040 41 with 2 relays 3 0 2 1V Re gt lOMQ for Type 702040 41 with 2 relays Outputs Relay n o make contact at 250V AC resistive load 150 000 operations at rated load Logic 0 5V Current limiting 20MA Rigag 22509 Logic 0 12 Current limiting 20MA Rigag 2 600 Supply 110 240V AC 15 41096 48 63Hz or 20 53V AC DC 48 63Hz or 10 18V DC 8 Controller Controller type 1 setpt controller with limit Comparator 2 setpt controller Controller structure P PD PI PID A D converter resolution gt 15 bit Sampling time 210msec 250msec with timer function Accuracy of timer 0 7 10ppny C Test voltages type test to EN 61 O10 Part 1 March 1994 overvoltage category II for Type 702040 41 overvoltage category II for Type 702042 43 44 Power consumption pollution degree 2 I pollution degree 2 5VA max Electrical connection at the rear via plug in screw terminals conductor cross section 2 5mm 1 3mm with Type 702040 41 solid wire or 1 5mm 1 0mm for Type 702040 41 stranded wire with ferrules Electromagnetic compatibility EN 61 326 Immunity to interference Class B
17. etpoint controller output 2 sage pue 9 UJ N Logic input no function key inhibit level inhibit ramp stop setpoint switching timer control LK timer signalling OFF Minimum output limiting is effective Maximum output limiting is effective Output 2 Logic K2 Output 3 Relay Functions of outputs as defined 113 controller output controller output limit comparator limit comparator timer signalling timer signalling limit comparator timer signalling controller output timer signalling controller output limit comparator timer signalling limit comparator timer signalling controller output limit comparator controller output controller output 1 controller output 2 limit comparator timer for 2 setpt contr controller output 1 controller output 2 controller output 2 limit comparator timer limit comparator timer limit comparator timer controller output 1 limit comparator timer controller output 1 controller output 2 controller output 2 limit comparator timer controller output 1 controller output 2 controller output 1 sage pue uoneanfyuo 9 no function time limited control time dependent setpoint switching time delayed control timer control independent of timer after power ON logic input keys Condition as before the via logic input keys power failure via logic input keys timer counts 1
18. fferential of limit comparator page 35 Limit value of limit comparator gt page 36 suon gt unJ 21 5 5 Ramp function ramp setpoint Sfr process value t1 power ON G amp F active t2 t3 power failure or overrange underrange t4 t5 ramp stop t6 setpoint switching to 5 Smbo oe LA Ramp function on off time unit gt page 32 suon un Ramp stop via logic input floating contact gt page 33 Ad Ramp slope in C h or C min gt page 36 22 5 6 Self optimization Self optimization determines the optimum controller parameters for PID or PI controllers Po 2 ty LIH d dF The following controller parameters are defined rt dt Pb i The controller selects procedure a or b depending on the size of the control deviation a Self b Self optimization optimi in the zation approach at set phase point x process value w setpoint Starting self optimization suo oun CE Starting self optimization is not possible with active level inhibit and ramp function Self optimization is automatically terminated or can be can celled 5 7 Level inhibit via code As an alternative to the logic input the level inhibit can be set via a code logic input has priority Setthe code using P V at least 5sec in normal display Time out Level inhibit via the
19. hapter 7 Assignment of the outputs page 33 Only for Type 702042 43 44 overwrites the assignment of L 113 controller type as 113 suon oun Proportional band 1 controller output 1 gt page 36 Proportional band 2 controller output 2 Influences the P action of the controller If Pb 0 the controller structure is not effective Derivative ime gt 36 Influences the D action of the controller If clc 20 the controller has no D action Influences the I action of the controller If rE 0 the controller has no action Cycle time 1 controller output 1 gt page 36 Cycle time 2 controller output 2 The cycle time has to be selected so that the energy supply to the process is virtually 19 continuous while not subjecting the switching elements to excessive wear Contact spacing gt page 36 for double setpoint controller Differential 1 controller output 1 gt page 36 Differential 2 controller output 2 Y for controllers with Pb 0 or 100 W X suon un ak fae limiting c page 36 maximum output minimum output Phe For controllers without controller structure Pb 1 0 or Pb c 0 it is necessary that 100 and 2 10094 Limit comparator alarm contact Ik1 Ik6 Monitoring referred to the setpoint Ik7 Ik8 Monitoring referred to a fixed value AL x L x w setpoint x process value Limit comparator function Ik1 Ik8 gt page 32 Di
20. ncy 2nd order low pass filter 17 5 2 Logic input Key inhibit Operation is possible from keys No operation from keys Level inhibit Access to the parameter and configuration levels is possible Starting self optimization is possible No access to the parameter and configuration levels Starting self optimization is not possible Ramp stop Ramp running Ramp stopped Setpoint switching Function of the logic input Setpoint SP is active The appropriate symbols SF and Setpoint 2 is active C are displayed at the operating level Acknowledge start stop continue timer run down edge triggered c page 33 On Type 702040 41 the parameter C117 is masked out if output 2 has been programmed as controller output C113 or the limit comparator has been configured C114 double assign ment not on Type 702040 41 with 2 relay outputs option 5 3 Controller Controller structure The controller structure is defined via the parameters Pb dE and rt Example Setting for PI controller gt Pb 2120 dk Osec rE 350sec Symbol Notes 4 7 2 Controller type and assignment of the controller outputs to the physical outputs 142 page 32 Outputs in fault condition gt page 33 The switching states of the outputs are defined here in the event of over underrange probe break short circuit or display overflow c C
21. o differentiate operating and timer level uonejedo p 4 3 Operation of the timer function The timer can be operated with the keys start stop cancel acknowledge if the timer at opera ting level is indicated Time out is not active here If the logic input is configured accordingly then a key such as the key can be used In this case the timer can also be operated even if the timer value does not appear in the display Possible displayed parameters for timer function at operating level Timer not running Timer has stopped Start with Continue with A Cancel with A Timer has been started but Timer has run down Acknowledge with any key the tolerance limit has not yet been reached timer start value E LI is Cancel with W indicated Timer running With time delayed control c is displayed C120 3 acknowledge Stop with amp with W Cancel with When the timer has been started the decimal point in the display for the timer value will blink uoneJjedo p 5 Functions We recommend the following procedure Familiarize yourself with the controller functions Enter the configuration codes and the parameter values in the tables provided for this pur pose in Chapter 6 Write down the appropriate values or mark selection with a cross 2 The
22. rol The control action starts after the timer has run down C121 1 2 5or 6 After the timer has run down the V keys are used for acknowledge ment Seth U gt 05 Start A Timer After the start of the timer function E LU is counted down to The control action is independent of the timer Here too the timer run down can be signalled via an output suon un C121 1 2 5 Timer signalling Start on Start on Start with power ON or logic input power ON or logic input 28 Start condition of the timer c page 34 The timer start value K is counted down as selected in the following events 1 Power ON or logic input keys 2 Start via keys logic input 3 Process value has reached tolerance limit 1 or 5 C start via keys logic input The position of the tolerance limit depends on the controller type 1 setpoint controller direct tolerance limit above setpoint 1 setpoint controller reversed tolerance limit below setpoint 2 setpoint controller tolerance limit below setpoint If during the control process the process value goes above below the tolerance limit the timer will be stopped for the duration of the infringement Response to a power failure gt page 34 After a power failure the condition before the power failure can be restored or the timer function can be cancelled If the timer had run down before
23. the power failure the timer start value will be loaded The timer will start automatically when C121 1 or 5 The timer value is saved at one minute intervals to cover the case of a power failure Timer signalling page 35 From the start of the timer function until timer run down or after the run down a signal can be produced via an output Time unit for the timer gt page 35 suon gt unJ Programming example After the start via the logic input or from the keys the process has to be controlled for 30 min utes to a Setpoint of 80 C The control action is to be cancelled in the event of a power failure Configuration C111 C116 Controller programming C117 5 Logic input timer control C120 1 Timer function time limited control C121 6 Start condition for timer via logic input keys cancellation on power failure C122 0 Timer signalling no function C123 1 Time unit timer mm ss Operation Enter the setpoint 5 80 C Press the P key until EO is indicated Change over to the timer level using P at least 2sec Enter the timer start value 6 30 00 Return to the operating level timer value with P Start with t Start the control action via the logic input or with amp A or logic input suo oun 6 Configuration and parameter tables Pt 100 9999 C Pt 1000 999 9 C KTY11 6 99 99 C Pt 100 9999 F Pt 1000 999 9
24. to the standards and regulations listed under Technical Data Run input output and supply lines separately and not parallel to each other uon ouuo e 21329 3 Do not connect any additional loads to the supply terminals of the instrument The instrument is not suitable for installation in hazardous areas Apart from faulty installation there is a possibility of interference or damage to controlled processes due to incorrect settings on the controller setpoint data of parameter and configuration levels internal adjustments Safety devices independent of the controller such as overpressure valves or temperature limiters monitors should always be provided and should be capable of adjustment only by Specialist personnel Please refer to the appropniate safety regulations in this connection Since auto tuning Self optimization cannot be expected to handle all possible control loops there is a theoretical possibility of unstable parameter settings The resulting process value should therefore be monitored for its stability All input and output lines that are not connected to the supply network must be laid out as shielded and twisted cables do not run them in the vicinity of power cables or components The shielding must be grounded to the earth potential on the instrument side UOIVUUN e 21329 3 Output 2 Output 1 UN Logic output Relay 5V 12V 20mA 250V 3A Supply a 000999099090 et U E 110 240V
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